%0 Journal Article
%A Z. H. Van
%T The approximation of unbounded functions by modified Landau and Bernstein polynomials over the entire plane
%J Doklady Akademii Nauk
%D 1963
%P 1195-1197
%V 150
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1963_150_6_a1/
%G ru
%F DAN_1963_150_6_a1